On 10/13/06, Robert Pepersack <[EMAIL PROTECTED]> wrote:
Hi all,
I would like to read and alter a Windows registry key with Ant. You
may ask why would I want to change the Windows registry??!! I want to
change the registry because I want to change my J2EE server's (Sybase
EAServer) classpath from Ant. My fellow developers and I could change
our servers' classpathes manually by opening regedit, but this would be
prone to point-and-click screw-ups. I think that changing the registry
from Java would be more reliable and less error-prone.
I Googled on the subject and found that there is a Java Preferences API
and Orangevolt Ant Tasks. Has anyone used these, or know of something
better?
The orangevolt ant tasks look pretty nice. They include a jni dll
that accesses the win reg (why oh why did sun not support jdirect?)
On initial load, the tasks copy the dll into $JAVA_HOME/jre/bin.
The tasks can then read and write reg entries.
Usage: drop the orangevolt-ant-tasks.jar file into %USERPROFILE%/.ant/lib
and
use:
<project name="rox" default="main">
<taskdef resource="com/orangevolt/tools/ant/taskdefs.properties"/>
<target name="main">
<win32.registry root="HKEY_LOCAL_MACHINE" key="SOFTWARE">
<!--
softwareExists will be set if
HKEY_LOCAL_MACHINE\SOFTWARE exists
-->
<exists property="softwareExists"/>
</win32.registry>
<echo message="softwareExists=${softwareExists}"/>
</target>
</project>
Peter
Thanks,
Bob
Robert Pepersack
Senior Lead Developer
Maryland Insurance Administration
410-468-2054
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